Proning DHI logo




Preparation of project documentation for agglomeration Čakovec: a) Sewer System of agglomeration Čakovec b) increase the capacity and III treatment level upgrade of WWTP Čakovec.

Preliminary and final designs of sewerage system in Čakovec agglomeration (75.000 PE) including 36,1 km of sewer pipes and trunks of which 11,2 km with a size > DN 500 mm. , preliminary design of WWTP Čakovec (75000 PE) tertiary treatment with sludge management and disposal.

Client: Međimurske vode, Čakovec

Commissioner: Hrvatske vode, Zagreb

Completion year: 2012

Read more


Preliminary design for sewer system of Samobor agglomeration, Preliminary and Detailed designs for sewerage, Requests for evaluation of the environmental impact assessment need.

Preliminary and final designs of the sewerage system of Samobor agglomeration (49.750 PE) including 35 km of sewer pipes and trunks of which 8,3 km with a size > DN 500 mm.

Client: Komunalac, Samobor

Commissioner: Hrvatske vode, Zagreb

Completion year: 2013


Detailed design of a main sewerage collectors of city Dugo Selo, Kopčevec, Velika Ostrna, Mala Ostrna i Leprovica settlements, with building permit issuing.

Detailed design of main collectors of Dugo Selo sewer system size 37.000 PE. Project documentation includes 36.4 km of sewerage collectors (DN in range 500- 800 mm, 1800x1800mm) and channels with its facilities, and 14 pumping stations.

Client: Dukom, Dugo Selo

Completion year: 2012


Detailed design of sewerage system Betina Murter – I phase (treatment plant, submarine outfall, access road with inflowing collectors) and II phase (pumping stations, main collectors and pressure pipelines in settlement Murter)

Project consisted of detailed design of WWTP (8000PE - final capacity 17400 PE), submarine outfall in length 1275 m, separated sewer system with central pumping station, and sewer collectors in length of 1130 m.

Client: Murtela, Murter

Completion year: 2010

Read more


Preliminary design for a long-term solution of the WWTP, preliminary design for a remote-control supervision system of the sewerage system Vodice-Tribunj-Srima, preliminary design for obtaining location permits, detailed designs and tender documentation for I construction phase of the waste water treatment plant and the submarine outfall of the sewerage system Vodice-Tribunj-Srima- Water protection project in coastal areas – IBRD project.

Project consisted of preliminary design of WWTP- for a long term solution (44.000PE PE)- secondary treatment, preliminary design for location permit issuing and detailed design of the WWTP– 1st Phase of construction -, primary treatment for 22.000 PE, tender documentation (FIDIC Red Book) for 1st Phase of construction.

Client: Odvodnja Vodice, Vodice

Commissioner: Hrvatske vode Jadranski projekt, Zagreb

Completion year: 2010


Additional sewerage network in the area of Trogir city.

Project consisted of conceptual design preliminary design for location permit issuing, detailed design, tender documentation for the sewerage-construction based on FIDIC Red Book condition for separated sewer network of Trogir city (25.000 PE).

Client: Eko Kaštelanski zaljev, Split

Completion year: 2009


Detailed and Construction design of New Collector Žitnjak.

Design of main collector Žitnjak II in Zagreb, pipe total length 1460 m, DN 2000 mm.

Client: Vodoopskrba i odvodnja, Zagreb

Completion year: 2005


Kaštela - Trogir sewerage system, I phase.

The IBRD financed project consisted of preliminary design, detailed design and tender documentation (FIDIC Red Book) for the main parts of sewer networks, pumping stations with pressure pipelines, the main pumping station "Divulje - WWTP"and utility infrastructure within the subsystems Kaštela, Trogir and Čiovo.

Client: DAR Gmbh Split For Investor Eko Kaštelanski zaljev, Split

Completion year: 2006


Optimization of the MSC system in Zagreb (main sewerage channel)

The project solves the conveying of major part of Zagreb’s sewerage (approx. 1.000.000 PE) to the WWTP. MSC System consists of main trunks, transport channels, overflows, pumping stations, overflow channels, etc. The project includes the preparation of the entire technical documentation, from the preliminary design to the final projects, including hydraulic analyses with mathematical and physical models.

Client: SHW/RWE Umwelt Aqua Vodogradnja, Zagreb

Completion year: 2006


Preliminary design for reconstruction of the WWTP of City Samobor with EIA and design for Location Permit issuing.

Project consisted of conceptual design, preliminary design, design for location permit issuing of the WWTP of City Samobor (44.000 PE) and EIA for sewer system and WWTP Samobor.

Client: Hrvatske vode, Zagreb

Completion year: 2000

We are a proud member of Clean Hydrogen Alliance


May 4th 2020 - Coronavirus Global Response International Pledging Event Countdown

Real time flood forecasting for Sava River Basin in Croatia

Continuation of implementation of the pilot project and capacity building for flood forecasting - Sava from Sisak to the border with Republic of Serbia

RECONECT partner

RECONECT project leaflet


PRONING DHI Ltd. for design, services and trade
Račkoga 3, 10000 Zagreb, Croatia

Zagreb Office:
Otona Kučere 5, 10000 Zagreb, Croatia
tel. (+385 1) 455-6903, 461-0903, 461-0904
fax. (+385 1) 455-6904

Split Office:
Vukovarska 7, 21000 Split, Croatia
tel. (+385 21) 343-520
fax. (+385 21) 480-114